<template>
    <h1>{{ count }}</h1>
</template>

<script>
import PubSub from "pubsub-js";
export default {
      name: "Hello",
  data() {
    return {
      count: 0,
    };
  },
  mounted() {
    PubSub.subscribe('count',(_, count)=>{
        this.count=count
    })
  },

}
</script>

<style>

</style>